x = 1,5
x = 1,5y = -2
Объяснение:
2x-y=-5
2x-y=-54x+2y=2
y = 2x - 5
4x+2y=2
4x + 2 × (2x - 5) = 2
4x + 4x - 10 = 2
8x = 12
y = -2
x = 1,5
x = 1,5y = -2
Объяснение:
2x-y=-5
2x-y=-54x+2y=2
y = 2x - 5
4x+2y=2
y = 2x - 5
4x + 2 × (2x - 5) = 2
y = 2x - 5
4x + 4x - 10 = 2
y = 2x - 5
8x = 12
y = 2x - 5
x = 1,5
x = 1,5
y = -2